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authorCharlene Liu <charlene.liu@amd.com>2018-09-12 18:22:16 -0400
committerAlex Deucher <alexander.deucher@amd.com>2018-10-09 17:01:39 -0500
commit39c03e0032ff839e62aae7d85a541451444a3198 (patch)
tree4c41ed7c905bc6be4ea01ea3f97f4acb60922882 /drivers
parentbe61df574256ae8c0dbd45ac148ca7260a0483c0 (diff)
drm/amd/display: fix 4K stereo screen flash issue
[Why] HDMI_scramber is not enabled for pixel rate >340Mhz. [How] Calculate the phy clock to include the Hw frame packing factor. Signed-off-by: Charlene Liu <charlene.liu@amd.com> Reviewed-by: Chris Park <Chris.Park@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_resource.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 2d6a4300bfa4..a3fee3769f4d 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1975,6 +1975,9 @@ static void calculate_phy_pix_clks(struct dc_stream_state *stream)
else
stream->phy_pix_clk =
stream->timing.pix_clk_khz;
+
+ if (stream->timing.timing_3d_format == TIMING_3D_FORMAT_HW_FRAME_PACKING)
+ stream->phy_pix_clk *= 2;
}
enum dc_status resource_map_pool_resources(